WASHINGTON EXAMINER - Kennedy, Johnson aide Nicholas Katzenbach dies, May 13, 2012

 "TRENTON, N.J. (AP) — While researching his epic series on Lyndon Johnson, Robert Caro found himself again and again calling upon Nicholas deB. Katzenbach, the former Justice Department and State Department official.
"He was a key figure in so many of the most crucial moments in both the Kennedy and Johnson administrations," says Caro, whose fourth Johnson volume, "The Passage of Power," was recently released. "And he was so careful about making sure that I truly understood them."
The Bay of Pigs. The Cuban Missile Crisis. Integration of schools"

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